Cách sử dụng
The expression "disappear, vanish, etc. into thin air" means that someone or something suddenly disappears without a trace or explanation. It is often used when nobody knows where the person or thing went or how it happened. You can use this expression when you're talking about something that has disappeared mysteriously or suddenly, without a clear reason or explanation. For example: "The vase was here just a moment ago, but now it has disappeared into thin air!"